When you enter data in a cell, Excel automatically left-aligns text and right-aligns values.

A security analyst suspects a malware infection was caused by a user who downloaded malware after clicking http:///a.php in a phishing email. To prevent other computers from being infected by the same malware variation, the analyst should create a rule on the:

A. email server that automatically deletes attached executables. B. IDS to match the malware sample. C. proxy to block all connections to D. firewall to block connection attempts to dynamic DNS hosts.

Which of the following statements is false?

a. References to interface types do not have access to method toString. b. Method toString can be invoked implicitly on any object. c. With inheritance, classes and their inherited classes tend to be very similar. d. Dramatically different classes can often meaningfully implement the same interface.